US2402269A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deposition of metals
Assignee: VAPCO Ltd
•
Filing: 1942-08-18
•
Granted: 1946-06-18
•
Expires: 1962-08-18
Abstract
No abstract record available.
Inventors
- 👤 Alexander Paul
- 👤 Cranstone Edwin Laurence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:02
CPC Classifications
C; C11; C11B; C11B1/00; C23; C23C; C23C14/00; C23C14/02; C23C14/06; C23C14/14; C23C14/20; C23C14/22; C23C14/56; C23C14/562
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-06-17 | 1949-12-17 | 1950-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-06-17 | 1953-12-17 | 1954-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-06-17 | 1957-12-17 | 1958-06-18 | $7700.00 | Window Closed / Lapsed |